The passive voice

What it is

In an active sentence, the subject does the action. In a passive sentence, the subject receives the action.

Active: Shakespeare wrote Hamlet.

Passive: Hamlet was written by Shakespeare.

How it is built

The passive is formed with to be + past participle. The tense is shown by the form of to be:

Present passive

am / is / are + past participle

English is spoken in many countries.

These cars are made in Germany.

Past passive

was / were + past participle

The book was written in 1950.

The pyramids were built thousands of years ago.

Future passive

will be + past participle

The meeting will be held tomorrow.

The results will be published next week.

Present perfect passive

have / has been + past participle

The report has been finished.

Three people have been hired this month.

By + agent

When we want to say who did the action, we use by:

The painting was created by Picasso.

The email was sent by the director.

Often, we don't include the agent because it is unknown, obvious, or unimportant:

My phone was stolen. => We don't know who did it.

The road was repaired last year. => It doesn't matter who.

When to use the passive

We use the passive when:

  1. We don't know who did the action: My car was stolen.

  2. The action is more important than the person: The bridge was built in 1920.

  3. In formal or scientific writing: The experiment was conducted in three phases.

Questions

Was the book written in English?

Where was the movie filmed?

Has the email been sent?
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